By the end of this century the world's population will have increased by half, creating a housing problem that needs to be solved now.

Melbourne is Australia’s fastest-growing city. Across Australia, the share of UK-born residents is declining, and the share of China-born and India-born residents has increased.
AAP Image/Julian SmithApril 7, 2017

Demography is destiny. It’s an old idea but it remains as true as ever, despite the fact that it doesn’t get anything like the attention it deserves. It’s not hard to see why: not only is there a crowded…